Gaia starts mapping the galactic bar in the Milky Way

The second release of data from the Gaia star-mapping satellite, published in 2018, has been revolutionising many fields of astronomy. The unprecedented catalogue contains the brightness, positions, distance indicators and ...

Europe's GPS rival Galileo suffers outage

Europe's Galileo satellite position system, a future rival of the American GPS network, has been out of service since Friday, its oversight agency said.

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